Sequence alignment between 1jb0(M) and UniProt seq P0A403 (PSAM_THEEB):

P0A403 (PSAM_THEEB): Photosystem I reaction center subunit XII from Thermosynechococcus vestitus (strain NIES-2133 / IAM M-273 / BP-1) 
                 10        20        30 
         ---------+---------+---------+-
UniProt: MALTDTQVYVALVIALLPAVLAFRLSTELYK
PDB seq: MALTDTQVYVALVIALLPAVLAFRLSTELYK
         ---------+---------+---------+-
                 10        20        30